金属包装容器二重卷封结构的泄漏机理及其实验研究

doi:10.3969/j.issn.1000-1093.2020.01.021

兵工学报 ›› 2020, Vol. 41 ›› Issue (1): 183-188.doi: 10.3969/j.issn.1000-1093.2020.01.021

金属包装容器二重卷封结构的泄漏机理及其实验研究

杨丹, 殷凤龙, 梁小冬, 廖洪波, 李尔康

(西北核技术研究所, 陕西西安 710024)

收稿日期:2019-04-01 修回日期:2019-04-01 上线日期:2020-02-22
作者简介:杨丹(1983—)，男，工程师，硕士。E-mail: pa101325@126.com

Research on the Leak Mechanism and Experiment of Double Seam Structure of Metal Packaging Container

YANG Dan, YIN Fenglong, LIANG Xiaodong, LIAO Hongbo, LI Erkang

(Northwest Institute of Nuclear Technology, Xi'an 710024, Shaanxi, China)

Received:2019-04-01 Revised:2019-04-01 Online:2020-02-22

摘要/Abstract

摘要： 为研究和解决金属包装容器的气体密封问题，运用气体动力学理论建立了二重卷封结构的气体黏滞流泄漏模型，定量研究了卷封几何特征尺寸和泄漏介质参数对二重卷封结构气体漏率的影响。研究结果表明：由密封胶渗透引起的气体漏率不可避免，整体漏率不小于渗透漏率；在密封胶宽度和包装容器直径确定情况下，二重卷封结构的总泄漏量受密封胶和金属材料本体之间的通道宽度影响，且该部分漏率与通道宽度呈三次方关系。金属包装容器密封性测试显示：密封良好时，二重卷封结构的整体漏率不小于9.0×10^-9 Pa·m³/s. 利用密封性测试结果预判并观测了二重卷封结构泄漏通道断面的微观尺寸。所得结果可以为金属包装容器的密封设计与泄漏控制提供一定的理论依据。

关键词: 金属包装容器, 二重卷封结构, 泄漏机理, 泄漏模型

Abstract: A viscous-flow leakage model is established for double seam structure to investigate and solve the gas sealing problem of metal packaging containers. The effects of geometric dimension and leakage medium properties on the gas leak rate of double seam structure are quantitatively studied. The results show that the gas leakage caused by the permeation of sealant is unavoidable, and the permeation leak rate is smaller than the total gas leak rate. When the adhesive width of sealant and the diameter of packaging container are fixed, the total gas leak rate of double seam structure is affected by the passage width between the sealant and the metal material. In addition, the leak rate of the passage is related to the third power of the passage width. The total gas leak rate of double seam structure is larger than 9.0×10^-9 Pa·m³/s under good sealing condition. The predicted section size of the leakage passage is consistent with the experimental results. This study can provide theoretical basis for the sealing and leakage control of metal packaging containers. Key

Key words: metalpackagingcontainer, doubleseamstructure, leakagemechanism, leakagemodel

中图分类号:

TB485.2

杨丹, 殷凤龙, 梁小冬, 廖洪波, 李尔康. 金属包装容器二重卷封结构的泄漏机理及其实验研究[J]. 兵工学报, 2020, 41(1): 183-188.

YANG Dan, YIN Fenglong, LIANG Xiaodong, LIAO Hongbo, LI Erkang. Research on the Leak Mechanism and Experiment of Double Seam Structure of Metal Packaging Container[J]. Acta Armamentarii, 2020, 41(1): 183-188.

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第41卷第1期
2020 年1月兵工学报ACTA
ARMAMENTARIIVol.41No.1Jan.2020

金属包装容器二重卷封结构的泄漏机理及其实验研究

Research on the Leak Mechanism and Experiment of Double Seam Structure of Metal Packaging Container

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